UM1983-24-SiO:CaNa
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About UM1983-24-SiO:CaNa
Low-temperature form corresponding to the synthetic Na2Ca2Si3O9 phase which composition varies from Na1.7Ca2.15Si3O9 to Na3.2Ca1.4Si3O9.
Physical Properties of UM1983-24-SiO:CaNa
Density:
2.85 g/cm3 (Calculated)
Chemical Properties of UM1983-24-SiO:CaNa
Formula:
Na2Ca2Si3O9
Elements listed:
Crystallography of UM1983-24-SiO:CaNa
Crystal System:
Trigonal
Class (H-M):
3 - Pyramidal
Cell Parameters:
a = 10.464(2) Å, c = 13.176(3) Å
Ratio:
a:c = 1 : 1.259
Unit Cell V:
1,249.42 ų (Calculated from Unit Cell)
Z:
6
Comment:
P31 or P32
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for UM1983-24-SiO:CaNa
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Fischer, R.X., Tillmanns, E. (1983): The crystal structures of natural Na2Ca2Si3O9 from Mt. Shaheru (Zaire) and from the Mayener Feld (Eifel). Neues Jahrbuch für Mineralogie - Monatshefte: 49-59 (in German); in: Dunn, P.J., Grice, J.D., Fleischer, M., Pabst, A. (1984): New mineral names. American Mineralogist: 69: 214
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)
Internet Links for UM1983-24-SiO:CaNa
mindat.org URL:
https://www.mindat.org/min-47747.html
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Mineral Dealers:
Localities for UM1983-24-SiO:CaNa
Locality List




All localities listed without proper references should be considered as questionable.
Germany | |
| Fischer, R.X., Tillmanns, E. (1983): The crystal structures of natural Na2Ca2Si3O9 from Mt. Shaheru (Zaire) and from the Mayener Feld (Eifel). Neues Jahrbuch für Mineralogie - Monatshefte: 49-59 (in German); in: Dunn, P.J., Grice, J.D., Fleischer, M., Pabst, A. (1984): New mineral names. American Mineralogist: 69: 214 |
Seekante, Mayen, Mayen-Koblenz District, Rhineland-Palatinate, Germany